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Finding the Fourth Proportional to 91,534.36, 126,302.74 and 51,249.80

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Solution

The fourth proportional to 91,534.36, 126,302.74 and 51,249.80 is: 70,716.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,534.36 : 126,302.74 = 51,249.80 : x
  2. Step 2: Convert to fraction form
    91,534.36/126,302.74 = 51,249.80/x
  3. Step 3: Cross multiply
    91,534.36x = 126,302.74 × 51,249.80
  4. Step 4: Simplify right side
    91,534.36x = 6,472,990,164.45
  5. Step 5: Solve for x
    x = 6,472,990,164.45/91,534.36
  6. Step 6: Final answer
    x = 70,716.51

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